Parameters2
addressstringexample:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913default:nullchainstringexample:basedefault:null
Service overview
Returns a structured explanation of any EVM smart contract on Ethereum, Base, Arbitrum, or Optimism. Output: type label (ERC20/ERC721/proxy/router), name, 3-bullet summary, risk warnings (unverified, upgradeable_via_proxy, mintable_by_owner, pausable), and top 5 selectors called in 24h with live call counts. Rugcheck, ABI decoding, proxy detection, "what is 0x..." lookups before an agent signs a tx. Works on unverified contracts via 4byte fallback.
API surface
3 crawlable routes
addressstring0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913nullchainstringbasenulladdressstring0x4DA11af6B0aB224F56ca82dD813dd2f616B2eF50nullchainstringethereumnullmethodstringGETnullMarketplace context
Service
OATP · tx_explainer — Fetch a Solana transaction by signature and return a human-readable explanation: programs invoked, token balance changes, fee (SOL + USD), and a one-line summary.
Service
Exa /contents endpoint
Service
Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.